/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 23:04:49,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:04:49,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:04:49,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:04:49,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:04:49,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:04:49,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:04:49,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:04:49,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:04:49,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:04:49,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:04:49,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:04:49,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:04:49,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:04:49,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:04:49,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:04:49,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:04:49,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:04:49,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:04:49,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:04:49,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:04:49,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:04:49,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:04:49,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:04:49,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:04:49,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:04:49,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:04:49,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:04:49,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:04:49,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:04:49,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:04:49,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:04:50,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:04:50,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:04:50,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:04:50,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:04:50,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:04:50,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:04:50,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:04:50,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:04:50,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:04:50,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-12 23:04:50,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:04:50,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:04:50,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:04:50,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:04:50,050 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:04:50,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:04:50,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:04:50,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:04:50,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:04:50,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:04:50,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:04:50,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:04:50,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:04:50,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:04:50,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:04:50,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:04:50,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:04:50,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:04:50,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:04:50,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:04:50,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:04:50,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:04:50,056 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:04:50,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:04:50,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:04:50,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:04:50,370 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:04:50,370 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:04:50,372 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko.cil.out.i [2020-10-12 23:04:50,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4d2719a4/8c898577fa5a4b79a1b7c606be33e0bb/FLAG2baa72ee2 [2020-10-12 23:04:51,148 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:04:51,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko.cil.out.i [2020-10-12 23:04:51,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4d2719a4/8c898577fa5a4b79a1b7c606be33e0bb/FLAG2baa72ee2 [2020-10-12 23:04:51,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d4d2719a4/8c898577fa5a4b79a1b7c606be33e0bb [2020-10-12 23:04:51,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:04:51,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:04:51,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:04:51,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:04:51,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:04:51,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:04:51" (1/1) ... [2020-10-12 23:04:51,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58bfa4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:51, skipping insertion in model container [2020-10-12 23:04:51,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:04:51" (1/1) ... [2020-10-12 23:04:51,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:04:51,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:04:53,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:04:53,183 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:04:53,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:04:53,663 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:04:53,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53 WrapperNode [2020-10-12 23:04:53,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:04:53,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:04:53,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:04:53,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:04:53,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... [2020-10-12 23:04:53,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:04:53,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:04:53,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:04:53,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:04:53,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:04:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:04:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:04:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-12 23:04:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2020-10-12 23:04:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-12 23:04:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:04:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:04:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_sector_valid [2020-10-12 23:04:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_block_valid [2020-10-12 23:04:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_block_erased [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_attr_show [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_create_sysfs_attributes [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_delete_sysfs_attributes [2020-10-12 23:04:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_lba [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_lba [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_lba [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mkoffset [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_break_offset [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_correct_sector [2020-10-12 23:04:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_sector [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_sector [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_block [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mark_block_bad [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_erase_block [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_erase_callback [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_check_block [2020-10-12 23:04:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_media_info [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_cis [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_find_cis [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_recheck_media [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_init_zone [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_zone [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_init [2020-10-12 23:04:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_put [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_get [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush_timer [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush_work [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write [2020-10-12 23:04:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_flush [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_release [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_getgeo [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_add_mtd [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_remove_dev [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_module_init [2020-10-12 23:04:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_module_exit [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-12 23:04:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-12 23:04:54,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2020-10-12 23:04:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_calculate_ecc [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __nand_correct_data [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure add_mtd_blktrans_dev [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-12 23:04:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure del_mtd_blktrans_dev [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_mtd_blktrans [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2020-10-12 23:04:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-12 23:04:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure register_mtd_blktrans [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-12 23:04:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:04:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 23:04:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 23:04:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:04:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-12 23:04:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 23:04:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-12 23:04:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-12 23:04:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 23:04:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-12 23:04:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-12 23:04:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2020-10-12 23:04:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_calculate_ecc [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_correct_data [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure sm_sector_valid [2020-10-12 23:04:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure sm_block_valid [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure sm_block_erased [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure register_mtd_blktrans [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_mtd_blktrans [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure add_mtd_blktrans_dev [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure del_mtd_blktrans_dev [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2020-10-12 23:04:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure sm_erase_callback [2020-10-12 23:04:54,072 INFO L130 BoogieDeclarations]: Found specification of procedure sm_erase_block [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mark_block_bad [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure sm_recheck_media [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure sm_attr_show [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure sm_create_sysfs_attributes [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:04:54,073 INFO L130 BoogieDeclarations]: Found specification of procedure sm_delete_sysfs_attributes [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_lba [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_lba [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_lba [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mkoffset [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_break_offset [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_correct_sector [2020-10-12 23:04:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_sector [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_sector [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_block [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure sm_check_block [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_media_info [2020-10-12 23:04:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_cis [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_find_cis [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_init_zone [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_zone [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_init [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_put [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_get [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush [2020-10-12 23:04:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush_timer [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush_work [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_flush [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_release [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_getgeo [2020-10-12 23:04:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure sm_add_mtd [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure sm_remove_dev [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure sm_module_init [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure sm_module_exit [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:04:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-12 23:04:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:04:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:04:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:04:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:04:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 23:04:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:04:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 23:04:55,463 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-12 23:04:58,351 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-12 23:04:58,380 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !false; [2020-10-12 23:04:58,380 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume false; [2020-10-12 23:04:59,389 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:04:59,389 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-12 23:04:59,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:04:59 BoogieIcfgContainer [2020-10-12 23:04:59,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:04:59,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:04:59,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:04:59,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:04:59,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:04:51" (1/3) ... [2020-10-12 23:04:59,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa7cded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:04:59, skipping insertion in model container [2020-10-12 23:04:59,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:04:53" (2/3) ... [2020-10-12 23:04:59,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa7cded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:04:59, skipping insertion in model container [2020-10-12 23:04:59,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:04:59" (3/3) ... [2020-10-12 23:04:59,414 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-mtd-sm_ftl.ko.cil.out.i [2020-10-12 23:04:59,426 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:04:59,438 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:04:59,452 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:04:59,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:04:59,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:04:59,485 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:04:59,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:04:59,485 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:04:59,485 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:04:59,494 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:04:59,495 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:04:59,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states. [2020-10-12 23:04:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 23:04:59,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:04:59,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:04:59,554 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:04:59,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:04:59,560 INFO L82 PathProgramCache]: Analyzing trace with hash -2105773071, now seen corresponding path program 1 times [2020-10-12 23:04:59,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:04:59,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895858964] [2020-10-12 23:04:59,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:05:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:00,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:00,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:05,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:05,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 23:05:05,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:05:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5203 [2020-10-12 23:05:05,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 23:05:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 23:05:05,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 23:05:05,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:05:06,796 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-12 23:05:06,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:05:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:06,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-12 23:05:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:05:07,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:05:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:05:07,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:05:07,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:07,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:07,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:05:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:07,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 23:05:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-12 23:05:07,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 23:05:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 23:05:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 23:05:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:07,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:05:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:07,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:05:07,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-12 23:05:07,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:05:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:07,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 23:05:07,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:07,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:05:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:07,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:05:07,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 23:05:07,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:05:07,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:07,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:05:07,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:07,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:05:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:07,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:07,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:07,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:07,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:07,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 23:05:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:07,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 23:05:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:05:07,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:05:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:08,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:08,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:05:08,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:05:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 23:05:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:05:08,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895858964] [2020-10-12 23:05:08,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:05:08,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 23:05:08,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846815533] [2020-10-12 23:05:08,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 23:05:08,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:05:08,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 23:05:08,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-12 23:05:08,117 INFO L87 Difference]: Start difference. First operand 1022 states. Second operand 13 states. [2020-10-12 23:05:11,641 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 498 [2020-10-12 23:05:12,938 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:05:14,109 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:05:15,313 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:05:16,562 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 497 [2020-10-12 23:05:17,800 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 509 [2020-10-12 23:05:18,977 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 506 [2020-10-12 23:05:23,104 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-12 23:05:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:05:50,749 INFO L93 Difference]: Finished difference Result 3066 states and 4394 transitions. [2020-10-12 23:05:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 23:05:50,752 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 41 [2020-10-12 23:05:50,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:05:50,812 INFO L225 Difference]: With dead ends: 3066 [2020-10-12 23:05:50,812 INFO L226 Difference]: Without dead ends: 2063 [2020-10-12 23:05:50,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2020-10-12 23:05:50,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2020-10-12 23:05:51,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 1931. [2020-10-12 23:05:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1931 states. [2020-10-12 23:05:51,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1931 states and 2553 transitions. [2020-10-12 23:05:51,331 INFO L78 Accepts]: Start accepts. Automaton has 1931 states and 2553 transitions. Word has length 41 [2020-10-12 23:05:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:05:51,332 INFO L479 AbstractCegarLoop]: Abstraction has 1931 states and 2553 transitions. [2020-10-12 23:05:51,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 23:05:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2553 transitions. [2020-10-12 23:05:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 23:05:51,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:05:51,336 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:05:51,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:05:51,337 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:05:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:05:51,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2074753264, now seen corresponding path program 1 times [2020-10-12 23:05:51,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:05:51,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084856063] [2020-10-12 23:05:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:05:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:51,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:52,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:52,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 23:05:52,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:52,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1401 [2020-10-12 23:05:52,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:05:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:05:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 23:05:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:54,189 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-12 23:05:54,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:05:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:54,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:54,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:54,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:54,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 612 [2020-10-12 23:05:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:05:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:05:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:54,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:05:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:54,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:05:54,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:05:54,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:05:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:05:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:54,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:05:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:55,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:55,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 23:05:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 23:05:55,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:05:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 23:05:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:55,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:05:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:05:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:05:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:55,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:55,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:05:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:55,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:55,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:55,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:05:55,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:55,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:05:55,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:55,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:55,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:05:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:55,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:55,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:55,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:55,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:55,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:55,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:05:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:05:55,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:05:55,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:05:55,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:05:55,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:05:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:05:55,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:05:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:05:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:05:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:05:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:05:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:05:55,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084856063] [2020-10-12 23:05:55,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:05:55,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:05:55,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928737146] [2020-10-12 23:05:55,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:05:55,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:05:55,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:05:55,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:05:55,148 INFO L87 Difference]: Start difference. First operand 1931 states and 2553 transitions. Second operand 6 states. [2020-10-12 23:05:58,456 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 495 [2020-10-12 23:06:11,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:06:11,576 INFO L93 Difference]: Finished difference Result 2056 states and 2757 transitions. [2020-10-12 23:06:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 23:06:11,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-12 23:06:11,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:06:11,589 INFO L225 Difference]: With dead ends: 2056 [2020-10-12 23:06:11,590 INFO L226 Difference]: Without dead ends: 2053 [2020-10-12 23:06:11,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:06:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2020-10-12 23:06:11,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1930. [2020-10-12 23:06:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1930 states. [2020-10-12 23:06:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2551 transitions. [2020-10-12 23:06:11,903 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2551 transitions. Word has length 41 [2020-10-12 23:06:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:06:11,903 INFO L479 AbstractCegarLoop]: Abstraction has 1930 states and 2551 transitions. [2020-10-12 23:06:11,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:06:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2551 transitions. [2020-10-12 23:06:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 23:06:11,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:06:11,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 23:06:11,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 23:06:11,906 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:06:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:06:11,906 INFO L82 PathProgramCache]: Analyzing trace with hash 106701705, now seen corresponding path program 1 times [2020-10-12 23:06:11,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:06:11,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833338217] [2020-10-12 23:06:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:06:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:12,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:13,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:13,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-12 23:06:13,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1865 [2020-10-12 23:06:13,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:13,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 23:06:13,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 23:06:13,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:14,997 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 493 [2020-10-12 23:06:14,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:06:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:15,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-12 23:06:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 23:06:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:06:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:06:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:06:15,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:06:15,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 23:06:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 23:06:15,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 23:06:15,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 23:06:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 23:06:15,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:15,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 23:06:15,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:06:15,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:15,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 23:06:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:06:15,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 23:06:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:06:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:06:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 23:06:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:06:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:06:15,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:06:15,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:06:15,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:06:15,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:06:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 23:06:15,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:06:15,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:06:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:06:15,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:06:15,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:06:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 23:06:15,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833338217] [2020-10-12 23:06:15,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:06:15,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 23:06:15,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070237274] [2020-10-12 23:06:15,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 23:06:15,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:06:15,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 23:06:15,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 23:06:15,888 INFO L87 Difference]: Start difference. First operand 1930 states and 2551 transitions. Second operand 6 states. [2020-10-12 23:06:19,160 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 495 [2020-10-12 23:06:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:06:31,919 INFO L93 Difference]: Finished difference Result 2053 states and 2754 transitions. [2020-10-12 23:06:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 23:06:31,921 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-10-12 23:06:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:06:31,922 INFO L225 Difference]: With dead ends: 2053 [2020-10-12 23:06:31,922 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 23:06:31,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-10-12 23:06:31,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 23:06:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 23:06:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 23:06:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 23:06:31,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2020-10-12 23:06:31,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:06:31,931 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 23:06:31,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 23:06:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 23:06:31,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 23:06:31,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 23:06:31,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 23:06:32,160 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2020-10-12 23:06:32,294 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:06:32,523 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:06:33,113 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2020-10-12 23:06:33,834 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2020-10-12 23:06:33,944 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:06:38,146 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 497 [2020-10-12 23:06:38,331 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 497 [2020-10-12 23:06:39,023 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 507 DAG size of output: 15 [2020-10-12 23:06:43,575 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2020-10-12 23:07:04,660 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:06,296 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:07,161 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:08,784 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:09,725 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:10,667 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:11,605 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:13,323 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:14,267 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:15,989 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:16,929 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:17,866 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:19,488 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:20,381 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:22,017 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:22,803 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 15 [2020-10-12 23:07:23,721 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:25,446 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:26,392 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:27,286 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:28,173 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:29,077 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:30,802 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 348 DAG size of output: 11 [2020-10-12 23:07:31,737 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:32,674 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:34,422 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:35,233 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 24 [2020-10-12 23:07:36,176 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:37,910 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:39,653 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:40,586 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:42,316 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:43,283 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:44,233 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:45,167 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:46,811 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:48,559 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:49,532 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:51,152 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:52,744 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:07:53,620 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:54,527 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:55,403 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:56,285 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:57,158 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:58,111 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:58,988 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:07:59,860 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:00,743 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:02,372 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:08:03,973 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 348 DAG size of output: 11 [2020-10-12 23:08:05,572 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:08:06,443 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:07,312 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:08,198 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:09,906 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:08:10,772 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:11,637 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:12,518 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:13,249 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 15 [2020-10-12 23:08:14,912 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:08:15,802 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:16,666 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:18,294 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 348 DAG size of output: 11 [2020-10-12 23:08:19,178 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:20,051 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:20,953 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:21,849 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:22,762 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:23,513 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 21 [2020-10-12 23:08:24,393 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:25,281 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:26,172 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:27,071 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:28,785 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 349 DAG size of output: 15 [2020-10-12 23:08:30,399 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 348 DAG size of output: 11 [2020-10-12 23:08:31,291 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:32,862 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 348 DAG size of output: 15 [2020-10-12 23:08:33,796 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:34,735 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 1 [2020-10-12 23:08:36,451 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 349 DAG size of output: 15